986424689 has 2 divisors, whose sum is σ = 986424690. Its totient is φ = 986424688.

The previous prime is 986424533. The next prime is 986424701.

986424689 is nontrivially palindromic in base 10.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 590733025 + 395691664 = 24305^2 + 19892^2 .

It is a palprime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-986424689 is a prime.

It is not a weakly prime, because it can be changed into another prime (986424389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 493212344 + 493212345.

It is an arithmetic number, because the mean of its divisors is an integer number (493212345).

Almost surely, 2^986424689 is an apocalyptic number.

It is an amenable number.

986424689 is a deficient number, since it is larger than the sum of its proper divisors (1).

986424689 is an equidigital number, since it uses as much as digits as its factorization.

986424689 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5971968, while the sum is 56.

The square root of 986424689 is about 31407.3986347166. The cubic root of 986424689 is about 995.4542639275.

The spelling of 986424689 in words is "nine hundred eighty-six million, four hundred twenty-four thousand, six hundred eighty-nine".